Large eccentric laser angioplasty catheter

Kevin D. Taylor; Christopher Reiser

doi:10.1117/12.275054

22 May 1997 Large eccentric laser angioplasty catheter

Kevin D. Taylor, Christopher Reiser

Proceedings Volume 2970, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VII; (1997) https://doi.org/10.1117/12.275054
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

Abstract

In response to recent demand for increased debulking of large diameter coronary vascular segments, a large eccentric catheter for excimer laser coronary angioplasty has been developed. The outer tip diameter is 2.0 mm and incorporates approximately 300 fibers of 50 micron diameter in a monorail- type percutaneous catheter. The basic function of the device is to ablate a coronary atherosclerotic lesion with 308 nm excimer laser pulses, while passing the tip of the catheter through the lesion. By employing multiple passes through the lesion, rotating the catheter 90 degrees after each pass, we expect to create luminal diameters close to 3 mm with this device. Design characteristics, in-vitro testing, and initial clinical experience is presented.

Citation Download Citation

Kevin D. Taylor and Christopher Reiser "Large eccentric laser angioplasty catheter", Proc. SPIE 2970, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VII, (22 May 1997); https://doi.org/10.1117/12.275054

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